Chapter 1, Problem 32Q

Interpretation Introduction

Interpretation:

Some procedures that have been used to recycle the metals found in cell phones have to be described.

Concept Introduction:

The facts behind cell phones:

• • Approximately 2 million cell phones are purchased each year.
• • $90\%$ of the cell phones remain ideal once got repaired or sent to the landfills after their owners got tired of them.
• • $3\%$ of the cell phones are recycled.
• • $7\%$ of the cell phones are resold.
• • Each cell phone contains 300 mg of silver and 30 mg of gold which are 50 times more concentrated than its ore in a mine.